Unbalance Response Analysis of a Rotor Kit with Two Identical Discs Located Between Bearings
Tehnički Glasnik, 2023 In this paper, the dynamic behavior of a rotor kit with two identical disks located between the plain bearings was analyzed. Modal and harmonic analysis of this rotor kit configuration were performed in the Ansys software package.
Marko Katinić +3 more
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Turbine Rotor Dynamics Models Considering Foundation and Stator Effects
Machines, 2022 The paper deals with the modelling of turbine rotors, including a foundation and stator parts, and with their dynamic analysis. The dynamics of turbines can be strongly influenced by the effects of a rotor foundation, and therefore suitable modelling ...
Michal Hajžman +3 more
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COMPARING HARMONIC UNBALANCE AT MULTIPLE LOCATIONS TO CHARACTERIZE THE UNBALANCE
IET Conference Proceedings, 2021 ISBN för värdpublikation: 978-1-83953-591-8 (elektronisk)
Sutaria, Jil +4 more
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An Angular Speed and Position FLL-Based Estimator Using Linear Hall-Effect Sensors
IEEE Access, 2021 This paper proposes using a frequency-locked loop-based detector to estimate rotational speed and angle position for an electric machine rotor shaft. The measurement system consists of arrays of permanent magnets fixed to the rotor shaft together with ...
Luis Ibarra +3 more
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Development of identification procedure for the internal and external damping in a cracked rotor system undergoing forward and backward whirls [PDF]
Archive of Mechanical Engineering, 2019 In the present work, a procedure for the estimation of internal damping in a cracked rotor system is described. The internal (or rotating) damping is one of the important rotor system parameters and it contributes to the instability of the system above ...
Dipendra Kumar Roy, Rajiv Tiwari
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Estimating the Impact of Arc Furnaces on the Quality of Power in Supply Systems
Energies, 2020 Arc furnaces, due to their high unit power and load nature, belong to the receivers affecting the power quality. A dynamically changing electric arc is the main source of disturbances generated by arc devices. This current article presents the results of
Zbigniew Łukasik, Zbigniew Olczykowski
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Experimental identification of rotating and stationary damping in a cracked rotor system with an offset disc [PDF]
Archive of Mechanical Engineering, 2019 In the rotor system, depending upon the ratio of rotating (internal) damping and stationary (external) damping, above the critical speed may develop instability regions.
Dipendra Kumar Roy, Rajiv Tiwari
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Investigation of the autorotation stability of a turbofan engine with a detached fan blade
Авіаційно-космічна техніка та технологія, 2023 One of the requirements for the aircraft being designed is the ability to continue flying and landing if one engine fails. One of the calculated cases of engine failure is the separation of the fan blade.
Sergey Filipkovskij +5 more
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A Comprehensive Evaluation of Different Power Quantities in DC Electric Arc Furnace Power Supplies
Energies, 2023 Conventionally, DC arc furnaces are fed by thyristor rectifiers to control the level of current or power transferred to the load. With the advancement of high-power transistors, other structures such as diode rectifiers and DC choppers have been ...
Pegah Hamedani +2 more
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Informatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska, 2016 This paper presents the operation of grid tied, two level voltage source inverter (VSI) during network voltage unbalance. The control system was implemented in synchronous rotating reference frame dq0 (SRF).
Tomasz Chmielewski
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